Questions and Answers
Updated 2026
UltrasoundBvelocityBisBhigherBinBdenserBtissue?B
True/FalseB-BAnswerBTrue
WhenBindividualBultrasoundBwavesBcombine,BtheBprocessBisBcalled
1.BAttenuation
2.BInterference
3.BDiffusion
4.BReflectionB-BAnswerB2.BInterference
WhenBultrasoundBwavesBreturnBdirectlyBafterBinteractingBwithBanBinterface,Bthe
BprocessBisBcalled
1.BAttenuation
2.BInterference
3.BDiffusion
4.BReflectionB-BAnswerB4.BReflection
TheBconversionBofBmechanicalBimpulsesB(soundBwaves)BtoBanBelectricBpotenti
alBisBaBresultBof
1.BTheBDopplerBEffect
2.BTheBPiezoelectricBEffect
3.BCurie'sBLaw
4.BFaraday'sBLawB-BAnswerB2.BTheBPiezoelectricBEffect
, TheBfrequencyBofBultrasoundBisBmeasuredBinBwhichBunit?B-
BAnswerBHertzB(Hz)B-BwithinBtheBrangeBofB1-20MHz
WhatBisBtheBvelocityBofBsoundBthroughBair?B-BAnswerBApproximatelyB300m/s
WhatBisBtheBvelocityBofBsoundBthroughBsoftBtissue?B-
BAnswerBApproximatelyB1540m/s
WhatBisBtheBvelocityBofBsoundBthroughBbone?B-
BAnswerBApproximatelyB4080m/s
WhichBofBtheBfollowingBdescribesBanBultrasoundBwave?
1.BCanBbeBtransmittedBthroughBaBvacuum
2.BElectromagneticBwave
3.BMechanicalBvibrationBwave
4.BEmissionBofBoscillatingBparticlesB-BAnswerB3.BMechanicalBvibrationBwave
WhatBcanBanBultrasoundBtransducerBdo?
1.BconvertBelectricalBsignalBtoBultrasound
2.BconvertBsoundBintoBultrasound
3.BconvertBultrasoundBintoBsound
4.BconvertBultrasoundBintoBelectricalBsignalB-BAnswerB1.BandB4.B
TransducersBcanBconvertBelectricalBsignalsBintoBultrasoundBandBultrasoundBint
oBelectricalBsignals
InBincreasingBorder,BwhichBofBtheBfollowingBtissuesBtransmitBultrasoundBfastest
?
Blood,BAir,BMuscle,BBone,BFatB-BAnswerBAir,BFat,BBlood,BMuscle,BBone